The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 2003
Filed:
May. 10, 2002
Applicant:
Inventors:
Alan R. Larsen, Layton, UT (US);
Clark Rouesche, Plain City, UT (US);
Assignee:
Autoliv ASP, Inc., Ogden, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R 2/126 ;
U.S. Cl.
CPC ...
B60R 2/126 ;
Abstract
An inflator device having a chamber wherein a pressure dependant gas generant reacts to produce inflation gas and at least one orifice allowing the gas to pass and inflate an airbag. The at least one orifice is defined at least in part by a shape memory alloy having an austenite finishing temperature (T ). The at least one orifice has a first fluid flow through area (A ) when at a temperature less than T and a second fluid flow through area (A ) when at a temperature greater than T . The second fluid flow through area (A ) is less than the first fluid flow through area (A ).